Pre-eclampsia Risk Assessment
NICE-based risk factor assessment for pre-eclampsia to guide aspirin prophylaxis from 12 weeks.
Score interpretation
Low or moderate risk (< 2 moderate-risk factors, no high-risk factors).
→ Routine antenatal care. Moderate-risk factors include: first pregnancy, age ≥40, BMI >35, family history PET, multiple pregnancy, inter-pregnancy interval >10 years.
High risk: 1 or more high-risk factors OR ≥2 moderate-risk factors present.
→ Start low-dose aspirin 75–150 mg nocte from 12 weeks until delivery. Increase antenatal surveillance (BP, urine PCR, growth USS). Refer to obstetric-led care.
Interpretation bands for the PET Risk. Apply clinical judgement and local guidance.
References
- NICE NG133. Hypertension in pregnancy: diagnosis and management. 2019.
Related
Curated clinical cross-links plus same-class fallbacks.
- Hydralazine (IV — Acute Hypertension in Pregnancy) · Vasodilator (Antihypertensive)
- Methyldopa (Chronic Hypertension in Pregnancy) · Centrally Acting Antihypertensive
- Aspirin (Low-Dose — Pre-eclampsia Prevention) · Antiplatelet — Pre-eclampsia Prophylaxis
- Aspirin (Antiplatelet — ACS/PCI) · Antiplatelet / ACS
- Selexipag · Pulmonary Arterial Hypertension
- Macitentan · Pulmonary Arterial Hypertension
- Spinal Anaesthesia Hypotension Management · AAGBI; ASA
- Pre-Eclampsia / Eclampsia in ED · NICE NG133; RCOG Green-top 10A
- Suspected Ectopic Pregnancy · NICE NG126; RCOG Green-top 21
- Polycystic Ovary Syndrome (PCOS) · International PCOS Guideline 2023; NICE CKS
- Pre-eclampsia Management · NICE NG133 2019
- Ectopic Pregnancy · NICE CG154 / RCOG GTG 21
Decision support only — verify against a current formulary, NICE, or your local guideline before clinical use.